<template>
  <div class="dv-decoration-11" :ref="ref">
    <svg :width="width" :height="height">
      <polygon
        :fill="fade(mergedColor[1] || defaultColor[1], 10)"
        :stroke="mergedColor[1]"
        :points="`20 10, 25 4, 55 4 60 10`"
      />

      <polygon
        :fill="fade(mergedColor[1] || defaultColor[1], 10)"
        :stroke="mergedColor[1]"
        :points="`20 ${height - 10}, 25 ${height - 4}, 55 ${height - 4} 60 ${
          height - 10
        }`"
      />

      <polygon
        :fill="fade(mergedColor[1] || defaultColor[1], 10)"
        :stroke="mergedColor[1]"
        :points="`${width - 20} 10, ${width - 25} 4, ${width - 55} 4 ${
          width - 60
        } 10`"
      />

      <polygon
        :fill="fade(mergedColor[1] || defaultColor[1], 10)"
        :stroke="mergedColor[1]"
        :points="`${width - 20} ${height - 10}, ${width - 25} ${height - 4}, ${
          width - 55
        } ${height - 4} ${width - 60} ${height - 10}`"
      />

      <polygon
        :fill="fade(mergedColor[0] || defaultColor[0], 20)"
        :stroke="mergedColor[0]"
        :points="`
          20 10, 5 ${height / 2} 20 ${height - 10}
          ${width - 20} ${height - 10} ${width - 5} ${height / 2} ${
          width - 20
        } 10
        `"
      />

      <polyline
        fill="transparent"
        :stroke="fade(mergedColor[0] || defaultColor[0], 70)"
        :points="`25 18, 15 ${height / 2} 25 ${height - 18}`"
      />

      <polyline
        fill="transparent"
        :stroke="fade(mergedColor[0] || defaultColor[0], 70)"
        :points="`${width - 25} 18, ${width - 15} ${height / 2} ${width - 25} ${
          height - 18
        }`"
      />
    </svg>

    <div class="decoration-content">
      <slot></slot>
    </div>
  </div>
</template>

<script>
import autoResize from "../mixin/autoResize";

import { deepMerge, deepClone, fade } from "../utils/index";

export default {
  name: "DvDecoration11",
  mixins: [autoResize],
  props: {
    color: {
      type: Array,
      default: () => [],
    },
  },
  data() {
    return {
      ref: "decoration-11",

      defaultColor: ["#1a98fc", "#2cf7fe"],

      mergedColor: [],
    };
  },
  watch: {
    color() {
      const { mergeColor } = this;

      mergeColor();
    },
  },
  methods: {
    mergeColor() {
      const { color, defaultColor } = this;

      this.mergedColor = deepMerge(deepClone(defaultColor, true), color || []);
    },
    fade,
  },
  mounted() {
    const { mergeColor } = this;

    mergeColor();
  },
};
</script>
